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- W2077883680 abstract "We show how to triangulate a polygon without using any obtuse triangles. Such triangulations can be used to discretize partial differential equations in a way that guarantees that the resulting matrix is Stieltjes, a desirable property both for computation and for theoretical analysis. A simple divide-and-conquer approach would fail because adjacent subproblems cannot be solved independently, but this can be overcome by careful subdivision. Overlay a square grid on the polygon, preferably with the polygon vertices at grid points. Choose boundary cells so they can be triangulated without propagating irregular points to adjacent cells. The remaining interior is rectangular and easily triangulated. Small angles can also be avoided in these constructions." @default.
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- W2077883680 date "1988-06-01" @default.
- W2077883680 modified "2023-10-18" @default.
- W2077883680 title "Nonobtuse triangulation of polygons" @default.
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- W2077883680 doi "https://doi.org/10.1007/bf02187904" @default.
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